UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8SkPw4Ceo53vFj1rZfw2USknuPC61MaNJwj69F1sGA=' 
WHERE 
  key_id = '0d84fc2695bb0a82e9b33e59d50a544d039495d46255e72b620fcbab8cdde899' 
  AND (
    token = 'r8SkPw4Ceo53vFj1rZfw2USknuPC61MaNJwj69F1sGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )